ZA201203610B - Audio encoder, audio decoder, method for encoding an audio information, method for decoding an audio information and computer program using a region-dependent arithmetic coding mapping rule - Google Patents

Audio encoder, audio decoder, method for encoding an audio information, method for decoding an audio information and computer program using a region-dependent arithmetic coding mapping rule

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Publication number
ZA201203610B
ZA201203610B ZA2012/03610A ZA201203610A ZA201203610B ZA 201203610 B ZA201203610 B ZA 201203610B ZA 2012/03610 A ZA2012/03610 A ZA 2012/03610A ZA 201203610 A ZA201203610 A ZA 201203610A ZA 201203610 B ZA201203610 B ZA 201203610B
Authority
ZA
South Africa
Prior art keywords
audio
audio information
decoding
encoding
region
Prior art date
Application number
ZA2012/03610A
Other languages
English (en)
Inventor
Guilaume Fuchs
Vignesh Subbaraman
Nikolaus Rettelbach
Markus Multrus
Marc Gayer
Patrick Warmbold
Christian Griebel
Oliver Weiss
Original Assignee
Fraunhofer-Gesellschaft Zur Forderung Der Angerwandten Forschung E V
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Application filed by Fraunhofer-Gesellschaft Zur Forderung Der Angerwandten Forschung E V filed Critical Fraunhofer-Gesellschaft Zur Forderung Der Angerwandten Forschung E V
Publication of ZA201203610B publication Critical patent/ZA201203610B/en

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Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0204—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
    • G10L19/0208—Subband vocoders

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
ZA2012/03610A 2009-10-20 2012-05-17 Audio encoder, audio decoder, method for encoding an audio information, method for decoding an audio information and computer program using a region-dependent arithmetic coding mapping rule ZA201203610B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US25345909P 2009-10-20 2009-10-20
PCT/EP2010/065726 WO2011048099A1 (en) 2009-10-20 2010-10-19 Audio encoder, audio decoder, method for encoding an audio information, method for decoding an audio information and computer program using a region-dependent arithmetic coding mapping rule

Publications (1)

Publication Number Publication Date
ZA201203610B true ZA201203610B (en) 2013-01-30

Family

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Family Applications (3)

Application Number Title Priority Date Filing Date
ZA2012/03610A ZA201203610B (en) 2009-10-20 2012-05-17 Audio encoder, audio decoder, method for encoding an audio information, method for decoding an audio information and computer program using a region-dependent arithmetic coding mapping rule
ZA2012/03607A ZA201203607B (en) 2009-10-20 2012-05-17 Audio encoder, audio decoder, method for encoding an audio information, method for decoding an audio information and computer program using a detection of a group of previously-decoded spectral values
ZA2012/03609A ZA201203609B (en) 2009-10-20 2012-05-17 Audio encoder, audio decoder, method for encoding an audio information, method for decoding an audio information and computer program using an iterative interval size reduction

Family Applications After (2)

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ZA2012/03607A ZA201203607B (en) 2009-10-20 2012-05-17 Audio encoder, audio decoder, method for encoding an audio information, method for decoding an audio information and computer program using a detection of a group of previously-decoded spectral values
ZA2012/03609A ZA201203609B (en) 2009-10-20 2012-05-17 Audio encoder, audio decoder, method for encoding an audio information, method for decoding an audio information and computer program using an iterative interval size reduction

Country Status (18)

Country Link
US (10) US8706510B2 (OSRAM)
EP (3) EP2491554B1 (OSRAM)
JP (3) JP5589084B2 (OSRAM)
KR (3) KR101419151B1 (OSRAM)
CN (3) CN102667921B (OSRAM)
AR (3) AR078707A1 (OSRAM)
AU (1) AU2010309820B2 (OSRAM)
BR (5) BR122022013482B1 (OSRAM)
CA (4) CA2778368C (OSRAM)
ES (3) ES2610163T3 (OSRAM)
MX (3) MX2012004569A (OSRAM)
MY (3) MY160813A (OSRAM)
PL (3) PL2491552T3 (OSRAM)
PT (1) PT2491553T (OSRAM)
RU (3) RU2605677C2 (OSRAM)
TW (3) TWI430262B (OSRAM)
WO (3) WO2011048098A1 (OSRAM)
ZA (3) ZA201203610B (OSRAM)

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